added tests

src/test/java/fr/ulille/iut/pizzaland/PizzaResourceTest.java

+package fr.ulille.iut.pizzaland;
+
+import fr.ulille.iut.pizzaland.ApiV1;
+import fr.ulille.iut.pizzaland.beans.Pizza;
+import fr.ulille.iut.pizzaland.dao.PizzaDao;
+import fr.ulille.iut.pizzaland.dto.PizzaCreateDto;
+import fr.ulille.iut.pizzaland.dto.PizzaDto;
+
+import org.glassfish.jersey.test.JerseyTest;
+import org.glassfish.jersey.test.TestProperties;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import jakarta.ws.rs.client.Entity;
+import jakarta.ws.rs.core.GenericType;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.Application;
+import jakarta.ws.rs.core.Form;
+import jakarta.ws.rs.core.Response;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import java.util.List;
+import java.util.UUID;
+import java.util.logging.Logger;
+
+/*
+ * JerseyTest facilite l'écriture des tests en donnant accès aux
+ * méthodes de l'interface jakarta.ws.rs.client.Client.
+ * la méthode configure() permet de démarrer la ressource à tester
+ */
+public class PizzaResourceTest extends JerseyTest {
+    private static final Logger LOGGER = Logger.getLogger(PizzaResourceTest.class.getName());
+    private PizzaDao dao;
+
+    @Override
+    protected Application configure() {
+        return new ApiV1();
+    }
+
+    // Les méthodes setEnvUp() et tearEnvDown() serviront à terme à initialiser la
+    // base de données
+    // et les DAO
+
+    // https://stackoverflow.com/questions/25906976/jerseytest-and-junit-throws-nullpointerexception
+    @Before
+    public void setEnvUp() {
+      dao = BDDFactory.buildDao(PizzaDao.class);
+      dao.createTable();
+      dao.createAssocTable();
+    }
+
+    @After
+    public void tearEnvDown() throws Exception {
+       dao.dropTable();
+    }
+
+
+    @Test
+    public void testGetEmptyList() {
+        // La méthode target() permet de préparer une requête sur une URI.
+        // La classe Response permet de traiter la réponse HTTP reçue.
+        Response response = target("/pizzas").request().get();
+
+        // On vérifie le code de la réponse (200 = OK)
+        assertEquals(Response.Status.OK.getStatusCode(), response.getStatus());
+
+        // On vérifie la valeur retournée (liste vide)
+        // L'entité (readEntity() correspond au corps de la réponse HTTP.
+        // La classe jakarta.ws.rs.core.GenericType<T> permet de définir le type
+        // de la réponse lue quand on a un type paramétré (typiquement une liste).
+        List<PizzaDto> pizzas;
+        pizzas = response.readEntity(new GenericType<List<PizzaDto>>() {
+        });
+
+        assertEquals(0, pizzas.size());
+
+    }
+    
+    @Test
+    public void testGetNotExistingIngredient() {
+      Response response = target("/pizzas").path(UUID.randomUUID().toString()).request().get();
+      assertEquals(Response.Status.NOT_FOUND.getStatusCode(),response.getStatus());
+    }
+    
+    @Test
+    public void testGetExistingPizza() {
+
+        Pizza pizza = new Pizza();
+        pizza.setName("4 fromages");
+        dao.insert(pizza);
+
+        Response response = target("/pizzas").path(pizza.getId().toString()).request(MediaType.APPLICATION_JSON).get();
+
+        assertEquals(Response.Status.OK.getStatusCode(), response.getStatus());
+
+        Pizza result = Pizza.fromDto(response.readEntity(PizzaDto.class));
+        assertEquals(pizza, result);
+    }
+
+    @Test
+     public void testCreatePizza() {
+         PizzaCreateDto ingredientCreateDto = new PizzaCreateDto();
+         ingredientCreateDto.setName("Paysanne");
+
+         Response response = target("/pizzas").request().post(Entity.json(ingredientCreateDto));
+
+         assertEquals(Response.Status.CREATED.getStatusCode(), response.getStatus());
+
+         PizzaDto returnedEntity = response.readEntity(PizzaDto.class);
+
+         assertEquals(target("/pizzas/" + returnedEntity.getId()).getUri(), response.getLocation());
+         assertEquals(returnedEntity.getName(), ingredientCreateDto.getName());
+     }
+
+     @Test
+     public void testCreateSamePizza() {
+         Pizza pizza = new Pizza();
+         pizza.setName("4 fromages");
+         dao.insert(pizza);
+
+         PizzaCreateDto ingredientCreateDto = Pizza.toCreateDto(pizza);
+         Response response = target("/pizzas").request().post(Entity.json(ingredientCreateDto));
+
+         assertEquals(Response.Status.CONFLICT.getStatusCode(), response.getStatus());
+     }
+
+     @Test
+     public void testCreatePizzaWithoutName() {
+         PizzaCreateDto ingredientCreateDto = new PizzaCreateDto();
+
+         Response response = target("/pizzas").request().post(Entity.json(ingredientCreateDto));
+
+         assertEquals(Response.Status.NOT_ACCEPTABLE.getStatusCode(), response.getStatus());
+     }
+     
+     @Test
+     public void testDeleteExistingPizza() {
+       Pizza pizza = new Pizza();
+       pizza.setName("4 fromages");
+       dao.insert(pizza);
+
+       Response response = target("/pizzas/").path(pizza.getId().toString()).request().delete();
+
+       assertEquals(Response.Status.ACCEPTED.getStatusCode(), response.getStatus());
+
+       Pizza result = dao.findById(pizza.getId());
+       assertEquals(result, null);
+    }
+
+    @Test
+    public void testDeleteNotExistingPizza() {
+      Response response = target("/pizzas").path(UUID.randomUUID().toString()).request().delete();
+      assertEquals(Response.Status.NOT_FOUND.getStatusCode(), response.getStatus());
+    }
+
+    @Test
+    public void testGetPizzaName() {
+      Pizza pizza = new Pizza();
+      pizza.setName("Chorizo");
+      dao.insert(pizza);
+
+      Response response = target("pizzas").path(pizza.getId().toString()).path("name").request().get();
+
+      assertEquals(Response.Status.OK.getStatusCode(), response.getStatus());
+
+      assertEquals("Chorizo", response.readEntity(String.class));
+   }
+
+   @Test
+   public void testGetNotExistingPizzaName() {
+     Response response = target("pizzas").path(UUID.randomUUID().toString()).path("name").request().get();
+
+     assertEquals(Response.Status.NOT_FOUND.getStatusCode(), response.getStatus());
+   }
+   
+   @Test
+   public void testCreateWithForm() {
+       Form form = new Form();
+       form.param("name", "4 fromages");
+
+       Entity<Form> formEntity = Entity.entity(form, MediaType.APPLICATION_FORM_URLENCODED_TYPE);
+       Response response = target("pizzas").request().post(formEntity);
+
+       assertEquals(Response.Status.CREATED.getStatusCode(), response.getStatus());
+       String location = response.getHeaderString("Location");
+       String id = location.substring(location.lastIndexOf('/') + 1);
+       Pizza result = dao.findById(UUID.fromString(id));
+
+       assertNotNull(result);
+   }
+}